US20080308514A1 - Tray transportation device - Google Patents
Tray transportation device Download PDFInfo
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- US20080308514A1 US20080308514A1 US11/852,095 US85209507A US2008308514A1 US 20080308514 A1 US20080308514 A1 US 20080308514A1 US 85209507 A US85209507 A US 85209507A US 2008308514 A1 US2008308514 A1 US 2008308514A1
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- Prior art keywords
- tray
- handler
- unload
- loading
- transportation device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67271—Sorting devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/6773—Conveying cassettes, containers or carriers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67703—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations between different workstations
- H01L21/67736—Loading to or unloading from a conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S414/00—Material or article handling
- Y10S414/135—Associated with semiconductor wafer handling
- Y10S414/14—Wafer cassette transporting
Definitions
- the present invention generally relates to a tray transportation device, and more particularly to a tray transportation device with two sets of operation handlers which moves together in order to increase the efficiency of transferring trays.
- the wafer test process is performed before the wafer dicing process by the automatic test equipment (ATE) to ensure the quality of electrical characteristics of the semiconductor device.
- ATE automatic test equipment
- a die sorter is used to pick up and place the dies on trays.
- the tray transportation device of the die sorter has great effects on the efficiency of the die sorter.
- FIG. 1A and FIG. 1B show a schematic side view and a schematic top view of a conventional tray transportation device, respectively.
- the conventional tray transportation device 10 includes a tray storage tank 11 , a transfer stage 12 , a pushing lever 13 , an operation handler 14 , an unload stage 16 , a unload handler 18 , and a tray storage device 19 .
- the tray transportation device 10 also includes a die pick-and-place head 17 .
- the tray storage tank 11 is used to store a plurality of trays 2 , and the tray storage tank 11 has a tray exporting device 112 so as to export one tray 2 at one time.
- the pushing lever 13 is disposed under the tray storage tank 11 so as to push the tray 2 exported from the tray storage tank 11 to the transfer stage 12 .
- the transfer stage 12 is used to carry the tray 2 exported from the tray storage tank 11 , and the transfer stage has a buffer area 121 and an operation area 122 .
- the operation handler 14 is disposed on the transfer stage 12 so as to push the tray 2 on the transfer stage 12 and make the tray 2 move on the transfer stage 22 .
- the die pick-and-place head 17 is disposed on the operation area 122 so as to pick a plurality of dies of a wafer and place the dies on the tray 2 .
- the unload stage 16 is used to carry the tray 2 transferred from the transfer stage 12 .
- the unload handler 18 is disposed on the unload stage 16 so as to handle the tray 2 on the unload stage 16 .
- the tray storage device 19 is used to store a plurality of the tray 2 .
- FIGS. 1C-1H show the operation process of the tray transportation device shown in FIG. 1B .
- FIG. 1C shows the pushing lever pushes the tray 2 exported from the tray storage tank 11 to the buffer area 121 of the transfer stage 12 .
- FIG. 1D shows the operation handler 14 moves to the buffer area 121 and pushes the tray 2 on the transfer stage 12 .
- the tray storage tank 11 exports one tray 2 to the position in front of the pushing lever 13 .
- FIG. 1E shows the operation handler 14 pushes the tray 2 to the operation area 122 .
- the die pick-and-place head 17 (not shown) is able to pick a plurality of dies of a wafer and place the dies on the tray 2 .
- the pushing lever 13 pushes the tray 2 exported from the tray storage tank 11 to the buffer area 121 of the transfer stage 12 .
- FIG. 1F shows the operation handler 14 pushes the tray 2 which has been filled with dies to the border between the transfer stage 12 and the unload stage 16 .
- FIG. 1G shows the operation handler 14 moves to the side position against the tray 2 and pushes the tray 2 towards the unload stage 16 .
- the tray storage tank 11 exports one tray 2 to the position in front of the pushing lever 13 .
- FIG. 1H shows the operation handler 14 pushes the tray 2 to the unload stage 16 , then the unload handler 18 pushes the tray to the tray storage device 19 .
- the operation handler 14 repeats the operation process mentioned above, the operation handler 14 moves to the buffer area 121 and pushes the next tray 2 on the transfer stage 12 .
- the conventional tray transportation device 10 mentioned above has only one operation handler 14 , and achieves the purpose of moving the tray 2 on the transfer stage 12 by the operation handler 14 .
- the operation handler 14 has push the tray 2 to the unload stage 16 , it takes long time for the operation handler 14 to move from the position of the unload stage 16 to the position of the buffer area 121 so as to push next tray 2 .
- the die sorter has to wait for the operation handler 14 until the operation handler 14 finishes the movement. It is time-waste and decreases the efficiency of the die sorter.
- the novel tray transportation device is also capable of improving the efficiency of equipment which is similar to the conventional tray transportation device.
- the present invention has been made in order to meet such a need described above, and it is an object of the present invention to provide a tray transportation device to solve the problem that the die sorter has to wait for the movement of operation handler so as to increase the efficiency of the die sorter.
- the present invention provides a tray transportation device.
- the tray transportation device includes a transfer stage, a loading handler, an operation handler and an unload stage.
- the transfer stage has a buffer area and an operation area.
- the loading handler is disposed on the buffer area to handle a tray in the buffer area.
- the operation handler is disposed on the operation area to handle a tray in the operation area.
- the unload stage is used to carry the tray transferred from the transfer stage.
- the loading handler and the operation handler move together, when the operation handler transfers the tray from the operation area to the unload stage; the loading handler transfers the tray from the buffer area to the operation area.
- FIG. 1A and FIG. 1B show a schematic side view and a schematic top view of a conventional tray transportation device, respectively;
- FIGS. 1C-1H show the operation process of the tray transportation device shown in FIG. 1B ;
- FIG. 2A and FIG. 2B show a schematic side view and a schematic top view of a tray transportation device in accordance with the first preferred embodiment of the present invention
- FIGS. 2C-2F show the operation process of the tray transportation device shown in FIG. 2B ;
- FIG. 3A and FIG. 3B show a schematic side view and a schematic top view of a tray transportation device in accordance with the second preferred embodiment of the present invention.
- FIG. 2A and FIG. 2B show a schematic side view and a schematic top view of a tray transportation device in accordance with the first preferred embodiment of the present invention.
- the tray transportation device 20 includes a tray storage tank 21 , a transfer stage 22 , a pushing lever 23 , a loading handler 24 , an operation handler 25 , a unload handler 28 , an unload stage 26 , and a tray storage device 29 .
- the tray transportation device 20 also includes an operation device 27 .
- the tray storage tank 21 is used to store a plurality of trays 2 , and the tray storage tank 21 has a tray exporting device 212 so as to export one tray 2 at one time.
- the pushing lever 23 is disposed under the tray storage tank 21 so as to push the tray 2 exported from the tray storage tank 21 to the transfer stage 22 .
- the transfer stage 22 is used to carry the tray 2 exported from the tray storage tank 21 , and the transfer stage has a buffer area 221 and an operation area 222 .
- the operation device 27 is disposed on the operation area 222 to operate the tray 2 in the operation area 222 .
- the operation device 27 can be a die pick-and-place head so as to pick a plurality of dies of a wafer and place the dies on the tray 2 , otherwise the operation device 27 can be a die detect head so as to detect dies on the tray 2 .
- the loading handler 24 is disposed on the transfer stage 22 , the loading handler 24 includes a first loading pushing end 241 and a second loading pushing end 242 so as to push the tray 2 in the buffer area 221 of the transfer stage 22 .
- the operation handler 25 is disposed on the transfer stage 22 , the operation handler 25 includes a first operation pushing end 251 and a second operation pushing end 252 so as to push the tray 2 in the operation area 222 of the transfer stage 22 . Wherein the loading handler 24 and the operation handler 25 move together, when the operation handler 25 transfers the tray 2 from the operation area 222 to the unload stage 26 , the loading handler 24 transfers the tray 2 from the buffer area 221 to the operation area 222 .
- the unload stage 26 is used to carry the tray 2 transferred from the transfer stage 22 .
- the unload handler 28 includes a first unload pushing end 281 and a second unload pushing end 282 , the unload handler 28 is disposed on the unload stage 26 so as to handle the tray 2 in the unload stage 26 .
- the tray storage device 29 is used to store a plurality of the tray 2 .
- FIGS. 2C-2F show the operation process of the tray transportation device shown in FIG. 2B .
- FIG. 2C shows the operation handler 25 pushes the tray 2 in the operation area
- the operation device 27 (not shown) disposed on the operation area 222 is able to operate the tray 2 in the operation area 222 .
- the operation device 27 is a die pick-and-place head
- the operation device 27 is able to pick a plurality of dies of a wafer and place the dies on the tray 2
- the operation device 27 is a die detect head
- the operation device 27 is able to detect dies on the tray 2 .
- the loading handler 24 pushes the tray 2 in the buffer area 221
- the tray storage tank 21 exports one tray 2 to the position in front of the pushing lever 23 .
- FIG. 2D shows the operation handler 25 pushes the tray 2 which has been operated to the border between the transfer stage 22 and the unload stage 26 .
- the loading handler 24 pushes the tray 2 towards the operation area 222 .
- FIG. 2E shows the operation handler 25 moves to the side position against the tray 2 , the loading handler 24 also moves to the side position against the tray 2 .
- FIG. 2F shows the operation handler 25 pushes the tray 2 to the unload stage 26 , then the unload handler 28 pushes the tray to the tray storage device 29 .
- the loading handler 24 pushes the tray 2 to the operation area 222
- the pushing lever 23 pushes the tray 2 exported from the tray storage tank 21 to the buffer area 221 of the transfer stage 22 .
- the loading handler 24 and the operation handler 25 repeat the operation process mentioned above, the loading handler 24 moves to the buffer area 221 to push the tray 2 in the buffer area 221 , and the operation handler 25 moves to the operation area 222 to push the tray 2 in the operation area 222 .
- FIG. 3A and FIG. 3B show a schematic side view and a schematic top view of a tray transportation device in accordance with the second preferred embodiment of the present invention.
- the tray transportation device 20 further includes a loading device 50 so as to handle the tray 2 to the buffer area 221 .
- the loading device 50 includes a driving apparatus 51 , a supporting lever 52 , and at least one pick head 53 .
- the supporting lever 52 is disposed on the driving apparatus 51 , the supporting lever 52 the pick head 53 so as to pick the tray 2 by the pick head 53 and transfer to the buffer area 221 by the driving apparatus 51 .
- the appearance of the supporting lever 52 is L shape, but not limit to this, the L shape supporting lever 52 is used to avoid the collision between the supporting lever 52 and the structure of the transfer stage 22 during moving of the driving apparatus 51 .
- the space of the transfer stage 22 can be used efficiently; therefore the L shape supporting lever 52 has great effect on the design of the tray transportation device 20 .
- the tray transportation device of the present invention By using the tray transportation device of the present invention, it is possible to unload a tray and move the tray in the buffer area to the operation area at the same time. Because the moving distance of the operation handler decreases, the time for the movement of the operation handler also decreases.
- the present invention does not only solve the problem that the die sorter has to wait for the movement of the operation handler, but also decreases the time for the movement of the operation handler. Therefore the efficiency of the die sorter increases.
Abstract
A tray transportation device is disclosed in this invention. The tray transportation device includes a transfer stage, a loading handler, an operation handler and an unload stage. The transfer stage has a buffer area and an operation area. The loading handler is disposed on the buffer area to handle a tray in the buffer area. The operation handler is disposed on the operation area to handle a tray in the operation area. The unload stage is used to carry the tray transferred from the transfer stage. The loading handler and the operation handler move together, when the operation handler transfers the tray from the operation area to the unload stage; the loading handler transfers the tray from the buffer area to the operation area.
Description
- 1. Field of the Invention
- The present invention generally relates to a tray transportation device, and more particularly to a tray transportation device with two sets of operation handlers which moves together in order to increase the efficiency of transferring trays.
- 2. Description of the Prior Art
- In the semiconductor device production process, the wafer test process is performed before the wafer dicing process by the automatic test equipment (ATE) to ensure the quality of electrical characteristics of the semiconductor device. After the wafers are divided into dies, a die sorter is used to pick up and place the dies on trays. The tray transportation device of the die sorter has great effects on the efficiency of the die sorter.
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FIG. 1A andFIG. 1B show a schematic side view and a schematic top view of a conventional tray transportation device, respectively. The conventionaltray transportation device 10 includes atray storage tank 11, atransfer stage 12, a pushinglever 13, anoperation handler 14, anunload stage 16, aunload handler 18, and atray storage device 19. Thetray transportation device 10 also includes a die pick-and-place head 17. - The
tray storage tank 11 is used to store a plurality oftrays 2, and thetray storage tank 11 has atray exporting device 112 so as to export onetray 2 at one time. The pushinglever 13 is disposed under thetray storage tank 11 so as to push thetray 2 exported from thetray storage tank 11 to thetransfer stage 12. - The
transfer stage 12 is used to carry thetray 2 exported from thetray storage tank 11, and the transfer stage has abuffer area 121 and anoperation area 122. Theoperation handler 14 is disposed on thetransfer stage 12 so as to push thetray 2 on thetransfer stage 12 and make thetray 2 move on thetransfer stage 22. The die pick-and-place head 17 is disposed on theoperation area 122 so as to pick a plurality of dies of a wafer and place the dies on thetray 2. - The
unload stage 16 is used to carry thetray 2 transferred from thetransfer stage 12. Theunload handler 18 is disposed on theunload stage 16 so as to handle thetray 2 on theunload stage 16. Thetray storage device 19 is used to store a plurality of thetray 2. -
FIGS. 1C-1H show the operation process of the tray transportation device shown inFIG. 1B . -
FIG. 1C shows the pushing lever pushes thetray 2 exported from thetray storage tank 11 to thebuffer area 121 of thetransfer stage 12. -
FIG. 1D shows theoperation handler 14 moves to thebuffer area 121 and pushes thetray 2 on thetransfer stage 12. At the same time, thetray storage tank 11 exports onetray 2 to the position in front of the pushinglever 13. -
FIG. 1E shows theoperation handler 14 pushes thetray 2 to theoperation area 122. The die pick-and-place head 17 (not shown) is able to pick a plurality of dies of a wafer and place the dies on thetray 2. At the same time, the pushinglever 13 pushes thetray 2 exported from thetray storage tank 11 to thebuffer area 121 of thetransfer stage 12. -
FIG. 1F shows theoperation handler 14 pushes thetray 2 which has been filled with dies to the border between thetransfer stage 12 and theunload stage 16. -
FIG. 1G shows theoperation handler 14 moves to the side position against thetray 2 and pushes thetray 2 towards theunload stage 16. At the same time, thetray storage tank 11 exports onetray 2 to the position in front of the pushinglever 13. -
FIG. 1H shows theoperation handler 14 pushes thetray 2 to theunload stage 16, then theunload handler 18 pushes the tray to thetray storage device 19. Theoperation handler 14 repeats the operation process mentioned above, theoperation handler 14 moves to thebuffer area 121 and pushes thenext tray 2 on thetransfer stage 12. - The conventional
tray transportation device 10 mentioned above has only oneoperation handler 14, and achieves the purpose of moving thetray 2 on thetransfer stage 12 by theoperation handler 14. However, as theoperation handler 14 has push thetray 2 to theunload stage 16, it takes long time for theoperation handler 14 to move from the position of theunload stage 16 to the position of thebuffer area 121 so as to pushnext tray 2. The die sorter has to wait for theoperation handler 14 until theoperation handler 14 finishes the movement. It is time-waste and decreases the efficiency of the die sorter. - For the reason that there are some disadvantages of the conventional tray transportation device mentioned above, a need has arisen to propose a novel conventional tray transportation device to solve the problem that the die sorter has to wait for the movement of operation handler and increase the efficiency of the die sorter. The novel tray transportation device is also capable of improving the efficiency of equipment which is similar to the conventional tray transportation device.
- Accordingly, the present invention has been made in order to meet such a need described above, and it is an object of the present invention to provide a tray transportation device to solve the problem that the die sorter has to wait for the movement of operation handler so as to increase the efficiency of the die sorter.
- In order to achieve the above object, the present invention provides a tray transportation device. The tray transportation device includes a transfer stage, a loading handler, an operation handler and an unload stage. The transfer stage has a buffer area and an operation area. The loading handler is disposed on the buffer area to handle a tray in the buffer area. The operation handler is disposed on the operation area to handle a tray in the operation area. The unload stage is used to carry the tray transferred from the transfer stage. The loading handler and the operation handler move together, when the operation handler transfers the tray from the operation area to the unload stage; the loading handler transfers the tray from the buffer area to the operation area.
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FIG. 1A andFIG. 1B show a schematic side view and a schematic top view of a conventional tray transportation device, respectively; -
FIGS. 1C-1H show the operation process of the tray transportation device shown inFIG. 1B ; -
FIG. 2A andFIG. 2B show a schematic side view and a schematic top view of a tray transportation device in accordance with the first preferred embodiment of the present invention; -
FIGS. 2C-2F show the operation process of the tray transportation device shown inFIG. 2B ; -
FIG. 3A andFIG. 3B show a schematic side view and a schematic top view of a tray transportation device in accordance with the second preferred embodiment of the present invention. - The detailed description of the present invention will be discussed in the following embodiments, which are not intended to limit the scope of the present invention, but can be adapted for other applications. While drawings are illustrated in details, it is appreciated that the quantity of the disclosed components may be greater or less than that disclosed, except expressly restricting the amount of the components.
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FIG. 2A andFIG. 2B show a schematic side view and a schematic top view of a tray transportation device in accordance with the first preferred embodiment of the present invention. Thetray transportation device 20 includes atray storage tank 21, atransfer stage 22, a pushinglever 23, aloading handler 24, anoperation handler 25, a unloadhandler 28, an unloadstage 26, and atray storage device 29. Thetray transportation device 20 also includes anoperation device 27. - The
tray storage tank 21 is used to store a plurality oftrays 2, and thetray storage tank 21 has atray exporting device 212 so as to export onetray 2 at one time. The pushinglever 23 is disposed under thetray storage tank 21 so as to push thetray 2 exported from thetray storage tank 21 to thetransfer stage 22. - The
transfer stage 22 is used to carry thetray 2 exported from thetray storage tank 21, and the transfer stage has abuffer area 221 and anoperation area 222. Theoperation device 27 is disposed on theoperation area 222 to operate thetray 2 in theoperation area 222. Theoperation device 27 can be a die pick-and-place head so as to pick a plurality of dies of a wafer and place the dies on thetray 2, otherwise theoperation device 27 can be a die detect head so as to detect dies on thetray 2. - The
loading handler 24 is disposed on thetransfer stage 22, theloading handler 24 includes a firstloading pushing end 241 and a secondloading pushing end 242 so as to push thetray 2 in thebuffer area 221 of thetransfer stage 22. Theoperation handler 25 is disposed on thetransfer stage 22, theoperation handler 25 includes a firstoperation pushing end 251 and a secondoperation pushing end 252 so as to push thetray 2 in theoperation area 222 of thetransfer stage 22. Wherein theloading handler 24 and theoperation handler 25 move together, when theoperation handler 25 transfers thetray 2 from theoperation area 222 to the unloadstage 26, theloading handler 24 transfers thetray 2 from thebuffer area 221 to theoperation area 222. - The unload
stage 26 is used to carry thetray 2 transferred from thetransfer stage 22. The unloadhandler 28 includes a first unload pushingend 281 and a second unload pushingend 282, the unloadhandler 28 is disposed on the unloadstage 26 so as to handle thetray 2 in the unloadstage 26. Thetray storage device 29 is used to store a plurality of thetray 2. -
FIGS. 2C-2F show the operation process of the tray transportation device shown inFIG. 2B . -
FIG. 2C shows theoperation handler 25 pushes thetray 2 in the operation area, the operation device 27 (not shown) disposed on theoperation area 222 is able to operate thetray 2 in theoperation area 222. When theoperation device 27 is a die pick-and-place head, theoperation device 27 is able to pick a plurality of dies of a wafer and place the dies on thetray 2, or when theoperation device 27 is a die detect head, theoperation device 27 is able to detect dies on thetray 2. At the same time, theloading handler 24 pushes thetray 2 in thebuffer area 221, and thetray storage tank 21 exports onetray 2 to the position in front of the pushinglever 23. -
FIG. 2D shows theoperation handler 25 pushes thetray 2 which has been operated to the border between thetransfer stage 22 and the unloadstage 26. At the same time, theloading handler 24 pushes thetray 2 towards theoperation area 222. -
FIG. 2E shows theoperation handler 25 moves to the side position against thetray 2, theloading handler 24 also moves to the side position against thetray 2. -
FIG. 2F shows theoperation handler 25 pushes thetray 2 to the unloadstage 26, then the unloadhandler 28 pushes the tray to thetray storage device 29. At the same time, theloading handler 24 pushes thetray 2 to theoperation area 222, and the pushinglever 23 pushes thetray 2 exported from thetray storage tank 21 to thebuffer area 221 of thetransfer stage 22. Then theloading handler 24 and theoperation handler 25 repeat the operation process mentioned above, theloading handler 24 moves to thebuffer area 221 to push thetray 2 in thebuffer area 221, and theoperation handler 25 moves to theoperation area 222 to push thetray 2 in theoperation area 222. -
FIG. 3A andFIG. 3B show a schematic side view and a schematic top view of a tray transportation device in accordance with the second preferred embodiment of the present invention. Thetray transportation device 20 further includes aloading device 50 so as to handle thetray 2 to thebuffer area 221. Theloading device 50 includes a drivingapparatus 51, a supportinglever 52, and at least onepick head 53. The supportinglever 52 is disposed on the drivingapparatus 51, the supportinglever 52 thepick head 53 so as to pick thetray 2 by thepick head 53 and transfer to thebuffer area 221 by the drivingapparatus 51. According to this embodiment, the appearance of the supportinglever 52 is L shape, but not limit to this, the Lshape supporting lever 52 is used to avoid the collision between the supportinglever 52 and the structure of thetransfer stage 22 during moving of the drivingapparatus 51. The space of thetransfer stage 22 can be used efficiently; therefore the Lshape supporting lever 52 has great effect on the design of thetray transportation device 20. - By using the tray transportation device of the present invention, it is possible to unload a tray and move the tray in the buffer area to the operation area at the same time. Because the moving distance of the operation handler decreases, the time for the movement of the operation handler also decreases. The present invention does not only solve the problem that the die sorter has to wait for the movement of the operation handler, but also decreases the time for the movement of the operation handler. Therefore the efficiency of the die sorter increases.
- Although specific embodiments have been illustrated and described, it will be appreciated by those skilled in the art that various modifications may be made without departing from the scope of the present invention, which is intended to be limited solely by the appended claims.
Claims (22)
1. A tray transportation device comprising:
a transfer stage, said transfer stage having a buffer area and an operation area;
a loading handler, said loading handler disposed on the buffer area to handle a tray in the buffer area;
an operation handler, said operation handler disposed on the operation area to handle a tray in said operation area; and
an unload stage, said unload stage used to carry said tray transferred from the transfer stage;
wherein said loading handler and said operation handler move together, when said operation handler transfers said tray from said operation area to said unload stage, said loading handler transfers said tray from said buffer area to said operation area.
2. The tray transportation device according to claim 1 , wherein said loading handler comprises a first loading pushing end and a second loading pushing end, said first loading pushing end pushes said tray first and then said second loading pushing end pushes said tray so as to push said tray in said buffer area to said operation area.
3. The tray transportation device according to claim 1 , wherein said operation handler comprises a first operation pushing end and a second operation pushing end, said first operation pushing end pushes said tray first and then said second operation pushing end pushes said tray so as to push said tray in said operation area to said unload stage.
4. The tray transportation device according to claim 1 , further comprising an operation device disposed on said operation area to operate said tray in said operation area.
5. The tray transportation device according to claim 4 , wherein said operation device is a die pick-and-place head, said die pick-and-place head is used to pick a plurality of dies of a wafer and place said dies on said tray.
6. The tray transportation device according to claim 4 , wherein said operation device is a die detect head, said die detect head is used to detect dies on said tray.
7. The tray transportation device according to claim 1 , further comprising a unload handler disposed on said unload stage so as to handle said tray in said unload stage.
8. The tray transportation device according to claim 7 , wherein said unload handler comprises a first unload pushing end and a second unload pushing end, said first unload pushing end pushes said tray first and then said second unload pushing end pushes said tray so as to push said tray in said unload stage to a tray storage device.
9. The tray transportation device according to claim 1 , further comprising a loading device so as to handle said tray to said buffer area.
10. The tray transportation device according to claim 9 , wherein said loading device has a supporting lever so as to transfer said tray.
11. The tray transportation device according to claim 10 , wherein the appearance of said supporting lever is L shape.
12. A tray transportation device comprising:
a tray storage tank, said tray storage tank storing a plurality of trays, and said tray storage tank having a tray exporting device to export one said tray at one time;
a transfer stage, said transfer stage carrying said tray exported from said tray storage tank, and said transfer stage having a buffer area and an operation area;
a pushing lever, said pushing lever disposed under said tray storage tank so as to push said tray exported from said tray storage tank to said buffer area of said transfer stage;
a loading handler, said loading handler disposed on the buffer area to handle a tray in the buffer area;
an operation handler, said operation handler disposed on the operation area to handle a tray in said operation area; and
an unload stage, said unload stage used to carry said tray transferred from the transfer stage;
wherein said loading handler and said operation handler move together, when said operation handler transfers said tray from said operation area to said unload stage, said loading handler transfers said tray from said buffer area to said operation area.
13. The tray transportation device according to claim 12 , wherein said loading handler comprises a first loading pushing end and a second loading pushing end, said first loading pushing end pushes said tray first and then said second loading pushing end pushes said tray so as to push said tray in said buffer area to said operation area.
14. The tray transportation device according to claim 12 , wherein said operation handler comprises a first operation pushing end and a second operation pushing end, said first operation pushing end pushes said tray first and then said second operation pushing end pushes said tray so as to push said tray in said operation area to said unload stage.
15. The tray transportation device according to claim 12 , further comprising an operation device disposed on said operation area to operate said tray in said operation area.
16. The tray transportation device according to claim 15 , wherein said operation device is a die pick-and-place head, said die pick-and-place head is used to pick a plurality of dies of a wafer and place said dies on said tray.
17. The tray transportation device according to claim 15 , wherein said operation device is a die detect head, said die detect head is used to detect dies on said tray.
18. The tray transportation device according to claim 12 , further comprising a unload handler disposed on said unload stage so as to handle said tray in said unload stage.
19. The tray transportation device according to claim 18 , wherein said unload handler comprises a first unload pushing end and a second unload pushing end, said first unload pushing end pushes said tray first and then said second unload pushing end pushes said tray so as to push said tray in said unload stage to a tray storage device.
20. The tray transportation device according to claim 12 , further comprising a loading device so as to handle said tray to said buffer area.
21. The tray transportation device according to claim 20 , wherein said loading device has a supporting lever so as to transfer said tray.
22. The tray transportation device according to claim 21 , wherein the appearance of said supporting lever is L shape.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW096121925 | 2007-06-15 | ||
TW096121925A TWI333930B (en) | 2007-06-15 | 2007-06-15 | Tray transportation device |
Publications (2)
Publication Number | Publication Date |
---|---|
US20080308514A1 true US20080308514A1 (en) | 2008-12-18 |
US7617924B2 US7617924B2 (en) | 2009-11-17 |
Family
ID=40131334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/852,095 Expired - Fee Related US7617924B2 (en) | 2007-06-15 | 2007-09-07 | Tray transportation device |
Country Status (3)
Country | Link |
---|---|
US (1) | US7617924B2 (en) |
JP (1) | JP2008308330A (en) |
TW (1) | TWI333930B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104925514A (en) * | 2015-06-28 | 2015-09-23 | 芜湖创智机械技术有限公司 | Circulating feeding push device of automobile limiting block |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2009728C2 (en) * | 2012-10-30 | 2014-05-06 | Marel Townsend Further Proc Bv | Product holder for holding food products. |
TWI800330B (en) * | 2022-03-25 | 2023-04-21 | 鴻勁精密股份有限公司 | Tray displacing device and handler |
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US4018328A (en) * | 1975-10-28 | 1977-04-19 | Visi-Trol Engineering Company | Means for producing a dual acceleration-deceleration movement for a transfer shuttle |
US5320212A (en) * | 1992-08-04 | 1994-06-14 | Cannon Equipment Company | Bi-directional ratchet conveyor |
US5363785A (en) * | 1992-08-24 | 1994-11-15 | Mim Industries, Inc. | Non-intrusive workpiece pallet locator |
US6235634B1 (en) * | 1997-10-08 | 2001-05-22 | Applied Komatsu Technology, Inc. | Modular substrate processing system |
US6248967B1 (en) * | 1998-04-14 | 2001-06-19 | Advantest Corporation | IC testing apparatus |
US6422798B1 (en) * | 1999-02-22 | 2002-07-23 | Angewandte Solarenergie-Ase Gmbh | Process and arrangement for continuous treatment of objects |
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JPS6113997U (en) * | 1984-06-29 | 1986-01-27 | パイオニア株式会社 | Printed circuit board transfer device |
-
2007
- 2007-06-15 TW TW096121925A patent/TWI333930B/en not_active IP Right Cessation
- 2007-07-31 JP JP2007198783A patent/JP2008308330A/en active Pending
- 2007-09-07 US US11/852,095 patent/US7617924B2/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US4018328A (en) * | 1975-10-28 | 1977-04-19 | Visi-Trol Engineering Company | Means for producing a dual acceleration-deceleration movement for a transfer shuttle |
US5320212A (en) * | 1992-08-04 | 1994-06-14 | Cannon Equipment Company | Bi-directional ratchet conveyor |
US5363785A (en) * | 1992-08-24 | 1994-11-15 | Mim Industries, Inc. | Non-intrusive workpiece pallet locator |
US6235634B1 (en) * | 1997-10-08 | 2001-05-22 | Applied Komatsu Technology, Inc. | Modular substrate processing system |
US6248967B1 (en) * | 1998-04-14 | 2001-06-19 | Advantest Corporation | IC testing apparatus |
US6422798B1 (en) * | 1999-02-22 | 2002-07-23 | Angewandte Solarenergie-Ase Gmbh | Process and arrangement for continuous treatment of objects |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104925514A (en) * | 2015-06-28 | 2015-09-23 | 芜湖创智机械技术有限公司 | Circulating feeding push device of automobile limiting block |
Also Published As
Publication number | Publication date |
---|---|
US7617924B2 (en) | 2009-11-17 |
TW200848340A (en) | 2008-12-16 |
JP2008308330A (en) | 2008-12-25 |
TWI333930B (en) | 2010-12-01 |
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